From 5193d835a443d6901bb28cbe451aaa0c08e299e7 Mon Sep 17 00:00:00 2001
From: Ash Berlin
Date: Thu, 17 Dec 2009 23:00:20 +0000
Subject: Improve error when no url given

---
 Library/Homebrew/formula.rb | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/Library/Homebrew/formula.rb b/Library/Homebrew/formula.rb
index 35585b899..e2a1ac2a2 100644
--- a/Library/Homebrew/formula.rb
+++ b/Library/Homebrew/formula.rb
@@ -99,7 +99,7 @@ class Formula
       @version='HEAD'
     end
 
-    raise if @url.nil?
+    raise "No url provided for formula #{name}" if @url.nil?
     @name=name
     validate_variable :name
 
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